Sum of angles in a triangle Animation Play

Sum of angles in quadrilaterals Student activity Play

Sum of the angles in a cyclic quadrilateral Animation Play

Sum of the angles in a quadrilateral Simulation Play

Sum of the angles in a quadrilateral – proof Animation Play

Sum of the angles in a triangle – proof Animation Play

Sum of two adjacent angles of a parallelogram Animation Play

Supplementary, corresponding and alternate angles Whiteboard exercise Play

Supplementary, vertical, corresponding and alternate angles Whiteboard exercise Play

Supplementary, vertical, corresponding and alternate angles Student activity Play

Test your knowledge about angles Whiteboard exercise Play

Test your knowledge about angles Student activity Play

The angles in a parallelogram and a trapezium Animation Play

The angles of a parallelogram Whiteboard exercise Play

The angles of a polygon Student activity Play

The angles of a polygon Whiteboard exercise Play

The angles of a quadrilateral Student activity Play

The angles of a quadrilateral Animation Play

The angles of a trapezium Whiteboard exercise Play

The angles of a triangle Simulation Play

The angles of a triangle Animation Play

The angles of an isosceles triangle Whiteboard exercise Play

The angles of isosceles triangles Student activity Play

The angles that are multiples of 45° Animation Play

The angles that are multiples of 60° Animation Play